testUndefinedIncrement.js (209B)
1 function f() { 2 var n; 3 var k; 4 for (var i = 0; i < 18; ++i) { 5 n = undefined; 6 k = n++; 7 if (k) { } 8 } 9 return [k, n]; 10 } 11 12 var [a, b] = f(); 13 14 assertEq(isNaN(a), true); 15 assertEq(isNaN(b), true);